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Finding the Fourth Proportional to 29,268.55, 43,902.94 and 7,081.89

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Solution

The fourth proportional to 29,268.55, 43,902.94 and 7,081.89 is: 10,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268.55 : 43,902.94 = 7,081.89 : x
  2. Step 2: Convert to fraction form
    29,268.55/43,902.94 = 7,081.89/x
  3. Step 3: Cross multiply
    29,268.55x = 43,902.94 × 7,081.89
  4. Step 4: Simplify right side
    29,268.55x = 310,915,791.76
  5. Step 5: Solve for x
    x = 310,915,791.76/29,268.55
  6. Step 6: Final answer
    x = 10,622.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.